Goodwill and Other Assets Schedule of Intangible Assets (Details) - USD ($) $ in Millions	6 Months Ended
	Jun. 30, 2022	Jun. 30, 2021	Dec. 31, 2021	Dec. 31, 2020
Finite-Lived Intangible Assets [Line Items]
Gross carrying amount	$ 972.3		$ 1,034.0
Accumulated amortization	(682.1)		(686.5)
Intangible assets, net	290.2		347.5
Payments to Develop Software	17.4	$ 11.2
Amortization of internally-developed software	$ (10.1)	(12.5)
Customer relationships [Member]
Finite-Lived Intangible Assets [Line Items]
Acquired Finite-lived Intangible Assets, Weighted Average Useful Life	3 years 8 months 12 days
Gross carrying amount	$ 645.0		703.3
Accumulated amortization	(402.7)		(401.6)
Intangible assets, net	$ 242.3		301.7
Internally-developed software [Member]
Finite-Lived Intangible Assets [Line Items]
Acquired Finite-lived Intangible Assets, Weighted Average Useful Life	1 year 8 months 12 days
Gross carrying amount	$ 232.5		228.1
Accumulated amortization	(186.9)		(184.9)
Intangible assets, net	45.6	38.2	43.2	$ 38.0
Transfer To Held For Sale	$ (4.9)	$ 1.5
Development costs non-software [Member]
Finite-Lived Intangible Assets [Line Items]
Acquired Finite-lived Intangible Assets, Weighted Average Useful Life	9 months 18 days
Gross carrying amount	$ 46.9		51.8
Accumulated amortization	(46.8)		(51.6)
Intangible assets, net	$ 0.1		0.2
Other intangibles [Member]
Finite-Lived Intangible Assets [Line Items]
Acquired Finite-lived Intangible Assets, Weighted Average Useful Life	5 years 4 months 24 days
Gross carrying amount	$ 47.9		50.8
Accumulated amortization	(45.7)		(48.4)
Intangible assets, net	2.2		2.4
Other intangible asset, net [Member]
Finite-Lived Intangible Assets [Line Items]
Gross carrying amount	327.3		330.7
Accumulated amortization	(279.4)		(284.9)
Intangible assets, net	47.9		$ 45.8
Customer Relationships [Member]
Finite-Lived Intangible Assets [Line Items]
Intangible assets, net	$ 242.3